Mazzucchelli, C., Bañados, E., Venemans, B.P., Decarli, R., Farina, E.P., Walter, F., Eilers, A.-C., Rix, H.-W., Simcoe, R., Stern, D., Fan, X., Schlafly, E., Rosa, G. De, Hennawi, J., Chambers, K.C., Greiner, J., Burgett, W., Draper, P.W., Kaiser, N., Kudritzki, R.-P., Magnier, E., Metcalfe, N., Waters, C., Wainscoat, R.J., "Physical Properties of 15 Quasars at z ≳ 6.5", Astrophysical Journal, 2017